:root{--blue:#07549a;--ink:#18324a;--muted:#64778a;--line:#dfe8ef;--soft:#f3f7fa}*{box-sizing:border-box}body{margin:0;background:var(--soft);color:var(--ink);font:16px/1.7 Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif}main{width:min(100% - 32px,760px);margin:32px auto;background:white;padding:clamp(24px,6vw,52px);border:1px solid var(--line);border-radius:20px;box-shadow:0 16px 48px rgba(5,51,91,.1)}h1{font-size:clamp(28px,6vw,42px);line-height:1.15;letter-spacing:-.035em;margin:22px 0 4px}h2{font-size:19px;margin:28px 0 5px}p{margin:8px 0;color:#354f66}.updated{color:var(--muted);font-size:13px}.back,a{color:var(--blue);font-weight:700;text-underline-offset:3px}.note{margin-top:28px;padding:14px 16px;border-left:4px solid #f28c28;background:#fff8ef;font-size:13px}@media(max-width:500px){main{width:100%;margin:0;border:0;border-radius:0;min-height:100vh}}